#include <stdio.h>

int main(){
	float f = 1.8;
	double d = 2.33;
	bool b = true;
	printf("%.2f %.2f",f,d);
	if(b){
		printf("ok");
	}else{
		printf("no");
	}
	int i = 10;
	i--;
	int j = i%4;
	printf("%d",j);
	return 0;
}